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Kel-Tec PMR-30
The Kel-Tec PMR-30 is a full-size semi-automatic pistol manufactured by Kel-Tec of the United States.[1] It was made available in 2011.[5] It has a single action trigger pull of 3.5 to 5 lbf (16 to 22 N) and a manual safety device.[1] It is chambered in .22 Winchester Magnum Rimfire and the special, factory-shipped, double-stack magazine has a capacity of 30+1(chamber) rounds.[1] The PMR-30 uses fixed fiber optic open sights.[6] The slide is also pre-drilled to allow for the mounting of various red-dot sights with the purchase of appropriate mounting plates from the manufacturer. It has a European-style magazine release.[1] Much polymer is used in the firearm to save on weight and cost, with a steel slide and barrel and aluminum internal grip frame.[6] DesignSince its initial market introduction, the PMR-30 has undergone several improvements due to problems with the early available design. The twist rate on the barrel rifling was increased to 1:11 to better stabilize bullets and reduce key-holing.[7] A stronger, lightly textured polymer is now used for the frame. This eliminates drooping of the frame that created a large gap previously seen between the front of the frame and the barrel. This also gives the frame a less shiny appearance, and a less slick feel in the hand. More metal was added as reinforcement at the breech to completely cover the rim of a loaded cartridge, presumably for increased user safety in the event of a cartridge case head separation. Kel-Tec also offers an extended 5" threaded barrel for the PMR-30 with an aluminum flash-hider to reduce the high amount of muzzle flash produced by escaping gases.[8] A rifle variant, the CMR-30, is also available.[9] BallisticsIn gun tests the KelTec PMR30 .22 WMR pistol gave an average velocity of 1,351 feet per second (412 m/s) from its 4.3 inch barrel. [4] See also
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